package ch03.shangJi.sj1;

import ch03.shangJi.sj1.dao.ArithmeticDao;
import ch03.shangJi.sj1.factory.ArithmeticFactory;

public class Test {
    public static void main(String[] args) {
        ArithmeticDao instance = ArithmeticFactory.getInstance("*");
        System.out.println(instance.reckon(2,4));
    }
}
